SMTP Preprocessor : X-ANONYMOUSTLS command

[Dan Roberts <danroberts2604 () gmail com>]

Hi Guys,

I'm getting continuously FP (I presume) alerts associated to SMTP traffic
(124:1:1 (smtp) Attempted command buffer overflow: more than 512 chars).

One week ago I made a trace and noticed that many MS Exchange servers on
our networks use a special SMTP command (X-ANONYMOUSTLS) not referenced in
the Snort SMTP preprocessor.

First, I tried to add "alert_unknown_cmds" to see if the preprocessor
didn't know that command. No output at all.

Then, I tried to list all the commands understood by the preprocessor,
using "print_cmds" and restarted snort with -M to have time to investigate
the output of the command. Again, no output at all.....

Did someone use those commands successfully once ?

Additionally, I'm wondering why is there so few information about
that X-ANONYMOUSTLS  command...


Cheers

Dan

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